RESUMEN
Our modern world is facing different global challenges and rise in population is one of them. Reduction in population is necessary not only for making the life of people luxurious but also for the development of nations. World Health Organization is sponsoring many programmes to control the increasing population especially in the developing countries where the rate of increase in population is high enough? The concept of male contraception is new. Various scientific researches are going on to discover safe and suitable anti-fertility agents for males. Many agents like anti-androgens, progestin and estrogen have been discovered. Due to side effects [impotency and loss of libido] these are being avoided. There are many plants, which are being used in Unani Medicine for different purposes, have anti-spermatogenetic and spermtcidal effects. These plants may be proved as better option to the world. The present paper deals with a discussion on some medicinal plants having anti-fertility activities